Properties of the Number 78064

Seventy-Eight Thousand Sixty-Four

Basics

Value: 78063 → 78064 → 78065

Parity: even

Prime: No

Previous Prime: 78059

Next Prime: 78079

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 7 × 17 × 41

Divisors: 1, 2, 4, 7, 8, 14, 16, 17, 28, 34

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000011110000

Octal: 230360

Duodecimal: 39214

Hexadecimal: 130f0

Square: 6093988096

Square Root: 279.39935576160514

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Starts of runs of 3 consecutive tribonacci-Niven numbers (A352089). A352091

Numbers k such that iphi(k) = iphi(k+1), where iphi(k) is an infinitary analog to the Euler totient function (A091732). A326403

Number of intersection points outside the n-gon of all lines through pairs of vertices of a regular n-gon. A146213

Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having k UHU configurations, where U=(0,1), H(1,0); (n>=2, k>=0). A273896

a(n) = coefficient of xⁿ, n >= 0, in A(x) = exp( ∑_n>=1 A183204(n)*xⁿ/n ), where A183204 equals the central terms of triangle A181544. A357407

O.g.f. A(x) satisfies: [xⁿ] exp( n²*(n-1) * x/A(x) ) = 0 for n > 0. A337577

O.g.f. A(x) satisfies: [xⁿ] exp( n*(n+1)² * x ) / A(x)ⁿ⁺¹ = 0 for n > 0. A337578

Expansion of (1-x)/(1+2·x+x²-x³). A78064